.header {
  opacity: 0.9;
  background: #3c3c3c;
  top: 0;
  left: 0;
  z-index: 1000;
}

.index-main {
  margin: 0;
  width: 100%;
  height: 100%;
  position: relative;
  .wrapper {
    z-index: 2;
    width: 100%;
    height: 100%;
    overflow: hidden;
    .slide {
      position: relative;
      color: #141414;
      text-align: center;
      .cont {
        font-size: 30px;
        line-height: 42px;
      }
      .title {
        margin-top: 24.2%;
        font-size: 60px;
        line-height: 84px;
        font-weight: bold;
      }
    }
    .banner1 {
      height: 100%;
      background: url('../images/index_01.jpg');
      background-repeat: no-repeat;
      background-size: cover;
      color: #fff;
      .title {
        font-size: 70px;
        line-height: 98px;
        margin-bottom: 28px;
      }
    }
    .banner2 {
      height: 100%;
      background: url('../images/index_02.jpg');
      background-repeat: no-repeat;
      background-size: cover;
      >div {
        margin-top: 30%;
        margin-left: 15%;
        color: #fff;
        text-align: left;
        .history-book {
          font-size: 26px;
        }
      }
      .wiki {
        display: inline-block;
        margin-top: 28px;
        font-size: 60px;
        line-height: 56px;
        font-weight: bold;
      }
    }
    .banner3 {
      height: 100%;
      background: url('../images/index_03.jpg');
      background-repeat: no-repeat;
      background-size: cover;
      .english {
        margin-bottom: 44px;
      }
    }
    .banner4 {
      height: 100%;
      background: url('../images/index_04.jpg');
      background-repeat: no-repeat;
      background-size: cover;
      div {
        padding-left: 40%;
        text-align: left;
        .english {
          margin-bottom: 22px;
        }
      }
    }
    .pagination span {
      background: #fff;
    }
    body .swiper-pagination-bullets {
      bottom: 50px;
    }
    .swiper-pagination-bullet {
      width: 12px;
      height: 12px;
      opacity: 0.5;
    }
    .swiper-pagination-bullet-active {
      width: 14px;
      height: 14px;
      position: relative;
      bottom: -1px;
      opacity: 1;
    }
    .swiper-button-prev.swiper-button-white,
    .swiper-button-next.swiper-button-white {
      background-image: none;
    }
    .swiper-button-prev {
      left: 98px;
    }
    .swiper-button-next {
      right: 98px;
    }
    .iconfont {
      font-size: 40px;
      color: #fff;
    }
  }
}
